Polytetrafluoroethylene coated
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6650-01-633-5160
NSN 6220-00-719-7714
NSN 5915-01-046-9296
NSN 6135-00-062-5080
NSN 7035-00-238-3662
NSN 6645-01-091-0009
NSN 6610-01-376-9199
NSN 5999-00-269-5320
NSN 5965-01-013-0290
NSN 6685-00-426-2121
NSN 5996-01-275-0706
NSN 6685-01-189-7208